domänintervall

A domänintervall, which translates to "domain interval" in English, is a concept in Internet domain name registration. It refers to a range of numerical values for Internationalized Domain Names (IDNs) that are used to identify a specific top-level domain (TLD).

Each domänintervall consists of a pair of numbers, a minimum and a maximum, which represent the maximum Unicode code points for the characters used in the IDN. This allows for the assignment of a numerical value, in the range of 0 to 65535, that represents a specific Unicode code point.

The purpose of a domänintervall is to facilitate the registration of IDNs that contain non-ASCII characters. By using these intervals, registrars can map the desired text characters to a numerical value that can be used in the DNS infrastructure. This allows for the resolution of the IDN to an IP address, enabling users to access the domain even if their browser or device does not support IDNs.

Standard 53 is an international standard that specifies the syntax and rules for IDNs, including the domänintervall concept. The standard describes how these intervals should be used to create unique and valid IDNs that can be registered and resolved by DNS systems.

The use of domänintervall in IDN registration has been adopted by many registries and registrars around the world, enabling users to register domain names in their native languages and scripts. This allows for greater diversity and accessibility on the Internet, facilitating communication and interaction across languages and cultures.